## See also

First Fundamental Form,

Fundamental Forms,

Second
Fundamental Form,

Shape Operator
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## References

Gray, A. "The Three Fundamental Forms." §16.6 in *Modern
Differential Geometry of Curves and Surfaces with Mathematica, 2nd ed.* Boca
Raton, FL: CRC Press, pp. 380-382, 1997.## Referenced on Wolfram|Alpha

Third Fundamental Form
## Cite this as:

Weisstein, Eric W. "Third Fundamental Form."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/ThirdFundamentalForm.html

## Subject classifications